<!doctype html>
<html lang="en-us">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>满300减50凑整计算器</title>
    <style>body {
  font-family: arial;
  margin: 0;
  padding: none;
}

.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
div.emscripten { text-align: center; }
div.emscripten_border { border: 1px solid black; }
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
canvas.emscripten { border: 0px none; background-color: black; }

@media (max-width: 1920px) {
  html {
    zoom: 1.2; /* 缩放比例，可以根据需要进行调整 */
  }
}

#emscripten_logo {
  display: inline-block;
  margin: 0;
  padding: 6px;
  width: 265px;
}

.spinner {
  height: 30px;
  width: 30px;
  margin: 0;
  margin-top: 20px;
  margin-left: 20px;
  display: inline-block;
  vertical-align: top;

  -webkit-animation: rotation .8s linear infinite;
  -moz-animation: rotation .8s linear infinite;
  -o-animation: rotation .8s linear infinite;
  animation: rotation 0.8s linear infinite;

  border-left: 5px solid rgb(235, 235, 235);
  border-right: 5px solid rgb(235, 235, 235);
  border-bottom: 5px solid rgb(235, 235, 235);
  border-top: 5px solid rgb(120, 120, 120);

  border-radius: 100%;
  background-color: rgb(189, 215, 46);
}

@-webkit-keyframes rotation {
  from {-webkit-transform: rotate(0deg);}
  to {-webkit-transform: rotate(360deg);}
}
@-moz-keyframes rotation {
  from {-moz-transform: rotate(0deg);}
  to {-moz-transform: rotate(360deg);}
}
@-o-keyframes rotation {
  from {-o-transform: rotate(0deg);}
  to {-o-transform: rotate(360deg);}
}
@keyframes rotation {
  from {transform: rotate(0deg);}
  to {transform: rotate(360deg);}
}

#status {
  display: inline-block;
  vertical-align: top;
  margin-top: 30px;
  margin-left: 20px;
  font-weight: bold;
  color: rgb(120, 120, 120);
}

#progress {
  height: 20px;
  width: 300px;
}

#controls {
  display: inline-block;
  float: right;
  vertical-align: top;
  margin-top: 30px;
  margin-right: 20px;
}

#inputBox {
  width: 100%;
  height: 88px;
  margin: 0 auto;
  margin-top: 10px;
  border-left: 0px;
  border-right: 0px;
  padding-left: 0px;
  padding-right: 0px;
  display: block;
  /* background-color: black; */
  color: black;
  font-family: 'Times New Roman', Times, serif;
  font-size: larger;
  outline: none;
  
}

#output {
  width: 100%;
  height: 200px;
  margin: 0 auto;
  margin-top: 10px;
  border-left: 0px;
  border-right: 0px;
  padding-left: 0px;
  padding-right: 0px;
  display: block;
  background-color: black;
  color: white;
  font-family: 'Lucida Console', Monaco, monospace;
  outline: none;
}
#title {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

</style>
  </head>
  <body>
    <h1 id='title'>满300减50凑整计算器(Code By:小叶)</h1>

    <div class="spinner" id='spinner'>
    </div>
    <div class="emscripten" id="status">Downloading...</div>

    <span id='controls'></span>

    <div class="emscripten">
      <progress value="0" max="100" id="progress" hidden=1></progress>
    </div>

    <div class="emscripten_border">
      <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1 style="display:none"></canvas>
      <span>输入待购买商品价格以','或空格来间隔(不要超过25个商品,不然计算时间非常长):</span>
      <textarea id="inputBox" name="description" rows="2">28.65,89.52,59.34,82.81,35.08,73.49,14.22,92.74,77.91,49.40,90.16</textarea>
    </div>

    <span>
      <input type="button" value="马上凑整" id="myButton" style="margin-top: 10px;" />
    </span>
    <textarea id="output" rows="8"></textarea>
    <script type='text/javascript'>
      var statusElement = document.getElementById('status');
      var progressElement = document.getElementById('progress');
      var spinnerElement = document.getElementById('spinner');
      var Module = {
        print: (function() {
          var element = document.getElementById('output');
          if (element) element.value = ''; // clear browser cache
          return (...args) => {
            var text = args.join(' ');
            // These replacements are necessary if you render to raw HTML
            //text = text.replace(/&/g, "&amp;");
            //text = text.replace(/</g, "&lt;");
            //text = text.replace(/>/g, "&gt;");
            //text = text.replace('\n', '<br>', 'g');
            console.log(text);
            if (element) {
              element.value += text + "\n";
              element.scrollTop = element.scrollHeight; // focus on bottom
            }
          };
        })(),
        canvas: (() => {
          var canvas = document.getElementById('canvas');

          // As a default initial behavior, pop up an alert when webgl context is lost. To make your
          // application robust, you may want to override this behavior before shipping!
          // See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
          canvas.addEventListener("webglcontextlost", (e) => { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);

          return canvas;
        })(),
        setStatus: (text) => {
          Module.setStatus.last ??= { time: Date.now(), text: '' };
          if (text === Module.setStatus.last.text) return;
          var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
          var now = Date.now();
          if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
          Module.setStatus.last.time = now;
          Module.setStatus.last.text = text;
          if (m) {
            text = m[1];
            progressElement.value = parseInt(m[2])*100;
            progressElement.max = parseInt(m[4])*100;
            progressElement.hidden = false;
            spinnerElement.hidden = false;
          } else {
            progressElement.value = null;
            progressElement.max = null;
            progressElement.hidden = true;
            if (!text) spinnerElement.style.display = 'none';
          }
          statusElement.innerHTML = text;
        },
        totalDependencies: 0,
        monitorRunDependencies: (left) => {
          this.totalDependencies = Math.max(this.totalDependencies, left);
          Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
        }
      };
      Module['noInitialRun']=true;
      // Module['arguments']=['28.65', '89.52', '59.34', '82.81', '35.08', '73.49', '14.22', '92.74', '77.91', '49.40', '90.16'];
      Module.setStatus('Downloading...');
      window.onerror = (event) => {
        // TODO: do not warn on ok events like simulating an infinite loop or exitStatus
        Module.setStatus('Exception thrown, see JavaScript console');
        spinnerElement.style.display = 'none';
        Module.setStatus = (text) => {
          if (text) console.error('[post-exception status] ' + text);
        };
      };
    </script>
    <script async type="text/javascript" src="CouponCalculator.js"></script>
    <script type="text/javascript">
      function isNumberOrDecimal(value) {
        return /^\d+(\.\d+)?$/.test(value);
      }
      // var MyModule = {};
      var tb = document.getElementById('inputBox');
      var btnElement = document.getElementById('myButton');
      btnElement.addEventListener('click', function() {
        // alert('按钮被点击了!');
        // 0.获取字符串
        content = tb.value;

        // 1.解析字符串
        var arrs = content.split(',');
        // console.log(arrs);
        if (arrs.length != 0) {
          Module['arguments_'] = [];
          arrs.forEach(it => {
            it = it.replace(/\s/g, "");
            if (isNumberOrDecimal(it)) {
              Module['arguments_'].push(it);
            }
          });
        }
        calledRun=false
        ABORT=false
        shouldRunNow=true;
        runtimeInitialized=false
        // args.push("28.65", "89.52", "59.34", "82.81", "35.08", "73.49", "14.22", "92.74", "77.91", "49.40", "90.16");
        Module['noInitialRun']=false;
        // Module['arguments_']=['28.65', '89.52', '59.34', '82.81', '35.08', '73.49', '14.22', '92.74', '77.91', '49.40', '90.16'];
        run();
      });
    </script>
  </body>
</html>
